FHA loans are generally more straightforward, with lenders typically requiring verification of your credit and income.Be prepared to provide financial documentation, as the lender will need to ensure you can manage the additional mortgage payments.

Him and his wife don't have the time to hunt for a deal or manage one however they have enough capital to carry the loan.

They might also have relationships with contractors, wholesalers, and property managers, which can be invaluable to an investor.

You can win or lose buying from a "turnkey" company or buying from a "property management" company.

Ultimately it sounds like you looking to start and scale a portfolio over a relatively short period of time. 

Or, if you don't have experience managing a multifamily property post construction that could be something to look at.

I also purchased the rental book and managing books on audible but didn't get an access code.

I manage around 105 MTRS/STRs in northern utah, would be happy to chat further with you. 

I see you have property management included in your analysis. 

I manage 17 listings in the area currently, and one in AZ.